attnode/v3_firmware
2
0
Fork 0
Code Issues Pull requests Releases Activity

Add HM330x Particle Sensor Support #5

Merged
seiichiro merged 5 commits from hm330x into master 2021-05-02 15:11:49 +00:00
Conversation 0 Commits 5 Files changed 6 +5 -5
1 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files
Showing only changes of commit 337cf2a456 - Show all commits

10
lib/HM330x/HM330x.cpp
View file

@ -62,7 +62,7 @@ uint8_t HM330x::getSensorData(char *payload, uint8_t startbyte) {
if (calcSum(data) == data[HM330x_DATA_LEN-1]) {
for (uint8_t pos = 5; pos<8; pos++) {
value = bytesToUint16(data, 5);
value = bytesToUint16(data, pos);
uint16ToPayload(value, payload, startbyte);
startbyte += 2;
}
@ -79,13 +79,13 @@ bool HM330x::sendCmd(uint8_t cmd) {
return Wire.endTransmission();
}
// Calculate CRC8
// Calculate the CheckSum
uint8_t HM330x::calcSum(uint8_t bytes[]) {
uint8_t crc8 = 0;
uint8_t checksum = 0;
for (int i = 0; i < HM330x_DATA_LEN - 1; i++) {
crc8 += bytes[i];
checksum += bytes[i];
}
return crc8;
return checksum;
}
// Get Value from Sensor Bytes Array